The Flip Duo 3A 2 Port USB Wall Charger from Oneadaptr is an ideal plug adapter that uses standard mains electricity to charge up to 2 USB devices during regular use of a socket. This adapter is designed to be slim for travel use but can be used as an everyday wall charger for your charging needs. The 2x 3 Amp USB ports give plenty of power to charge your phone and tablet devices. The slim design of this product is made possible via the folding action this adapter utilizes; when not need, the pins of the adapter fold into the body of the adapter, and with the push of a button, these pins extend out and can be plugged into a standard British socket. This ensures that the pins does not get damaged, or damage other products around it if in a travel bag. Main Features: Four USB Chargers Max 3.4A High Output Auto Release 18mm Thin Protective Covers Keep Metal Pins from Damaging Other Devices Technical Specification: AC Input Power: 100 ~ 240Vac AC Max. Output Power: AC 125V